/* roulang page: index */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-primary-light: #ff6b6b;
            --color-accent: #f0a500;
            --color-accent-light: #ffc940;
            --color-bg-dark: #0a0e14;
            --color-bg-card: #141920;
            --color-bg-surface: #1a1f28;
            --color-bg-elevated: #1e2430;
            --color-text: #e8eaed;
            --color-text-strong: #ffffff;
            --color-text-weak: #8b949e;
            --color-text-muted: #5c6370;
            --color-border: #252a33;
            --color-border-light: #30363d;
            --color-success: #2ea043;
            --color-live: #ff4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.25);
            --shadow-glow-accent: 0 0 30px rgba(240, 165, 0, 0.2);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --max-width: 1200px;
            --nav-height: 68px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg-dark);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.015em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        ul {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-display);
            color: var(--color-text-strong);
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 14, 20, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-normal), box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            background: rgba(10, 14, 20, 0.96);
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.03em;
            white-space: nowrap;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }
        .logo:hover {
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-text-strong);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 22px;
            border-radius: var(--radius-full);
            font-size: 0.93rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-text-strong);
            font-size: 1.5rem;
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }
        @media (max-width: 860px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(14, 18, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                gap: 2px;
                padding: 16px 20px 24px;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-110%);
                opacity: 0;
                transition: transform var(--transition-slow), opacity var(--transition-normal);
                pointer-events: none;
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                display: block;
                padding: 13px 16px;
                border-radius: var(--radius-md);
                font-size: 1rem;
                text-align: center;
            }
            .nav-cta-btn {
                display: block;
                text-align: center;
                margin-top: 6px;
                border-radius: var(--radius-md);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links .nav-cta-btn {
                margin-left: 0;
            }
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding-top: var(--nav-height);
            overflow: hidden;
            background: var(--color-bg-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            filter: brightness(0.35) saturate(0.7);
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 20, 0.55) 0%, rgba(10, 14, 20, 0.82) 60%, rgba(10, 14, 20, 0.95) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
            padding: 40px 20px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(230, 57, 70, 0.18);
            border: 1px solid rgba(230, 57, 70, 0.35);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-primary-light);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .live-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--color-live);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(255, 68, 68, 0);
            }
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            color: #fff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--color-text-weak);
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(230, 57, 70, 0.35);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }
        .hero-stats-row {
            display: flex;
            gap: 40px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 44px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 24px;
            }
            .hero-stat-value {
                font-size: 1.5rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.93rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-row {
                gap: 16px;
            }
        }

        /* ========== SECTIONS ========== */
        section {
            padding: var(--section-gap) 0;
        }
        @media (max-width: 768px) {
            section {
                padding: var(--section-gap-mobile) 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary-light);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--color-text-weak);
            max-width: 560px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.7rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .feature-card:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            background: rgba(230, 57, 70, 0.12);
            color: var(--color-primary-light);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.55;
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== LIVE SECTION ========== */
        .live-section {
            background: var(--color-bg-surface);
            position: relative;
        }
        .live-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .live-card {
            background: var(--color-bg-elevated);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            cursor: default;
        }
        .live-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border-light);
        }
        .live-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .live-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .live-card:hover .live-card-img img {
            transform: scale(1.04);
        }
        .live-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: var(--color-live);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            animation: pulse-tag 2s ease-in-out infinite;
        }
        @keyframes pulse-tag {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.75;
            }
        }
        .live-card-body {
            padding: 16px 18px;
        }
        .live-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .live-card-meta {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 1024px) {
            .live-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .live-cards {
                grid-template-columns: 1fr;
            }
        }

        /* ========== STATS SECTION ========== */
        .stats-section {
            position: relative;
            background: var(--color-bg-dark);
            overflow: hidden;
        }
        .stats-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            filter: brightness(0.22) saturate(0.5);
            z-index: 0;
        }
        .stats-overlay {
            position: absolute;
            inset: 0;
            background: rgba(10, 14, 20, 0.8);
            z-index: 1;
        }
        .stats-content {
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-card {
            background: rgba(30, 36, 48, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            backdrop-filter: blur(6px);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            border-color: rgba(255, 255, 255, 0.2);
            box-shadow: var(--shadow-glow-accent);
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ========== PROCESS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
        }
        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.4);
            position: relative;
            z-index: 2;
        }
        .process-step h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
        }
        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 16px;
            }
        }
        @media (max-width: 480px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        /* ========== INFO BLOCK ========== */
        .info-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .info-block.reverse {
            direction: rtl;
        }
        .info-block.reverse>* {
            direction: ltr;
        }
        .info-block-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
        }
        .info-block-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .info-block-text h3 {
            font-size: 1.6rem;
            margin-bottom: 12px;
        }
        .info-block-text p {
            color: var(--color-text-weak);
            margin-bottom: 16px;
            line-height: 1.65;
        }
        .info-block-text .btn {
            margin-top: 8px;
        }
        @media (max-width: 768px) {
            .info-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .info-block-image {
                aspect-ratio: 16 / 10;
            }
            .info-block-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            background: none;
            color: var(--color-text-strong);
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            border: none;
            outline: none;
            letter-spacing: 0.01em;
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: transform var(--transition-normal);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--color-primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 20px;
            color: var(--color-text-weak);
            font-size: 0.93rem;
            line-height: 1.6;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        @media (max-width: 480px) {
            .faq-question {
                font-size: 0.93rem;
                padding: 15px 16px;
            }
            .faq-answer {
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-bg-surface);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .cta-content p {
            color: var(--color-text-weak);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: var(--radius-full);
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast);
        }
        .cta-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
        }
        .cta-form .btn {
            flex-shrink: 0;
        }
        @media (max-width: 480px) {
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: 100%;
            }
            .cta-content h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            color: var(--color-text-weak);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            margin-top: 10px;
            line-height: 1.6;
            font-size: 0.88rem;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            color: var(--color-text-strong);
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            color: var(--color-text-weak);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--color-text-strong);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }